Articles and news - 9

pitch-linear VCO. Part Getting it going
A pitch-linear VCO. Part 1 - Getting it going
Mar 24, 2025 Articles

An ongoing project (or gadget) called for a means of generating an audio output to represent a varying voltage level. Ho hum: that sounds like a voltage-controlled oscillator...

Peak power point
Peak power point
Mar 23, 2025 Articles

Imagine that you have a voltage source in series with some source resistance feeding power to a variable load. The relationship between load voltage, load current, and cell current can be drawn...

simple purely analog -130 dB THD
A simple, purely analog -130 dB THD sine wave generator
Mar 20, 2025 Circuits

The recent Design Idea “Getting an audio signal with a THD < 0.0002% made easy” discloses a low THD sine generator which led me to dust off a design...

TI introduces world smallest MCU enabling
TI introduces the world's smallest MCU, enabling innovation in the tiniest of applications
Mar 20, 2025 News

Texas Instruments introduced the world's smallest MCU, expanding its comprehensive Arm Cortex-M0+ MSPM0 MCU portfolio. Measuring only 1.38 mm2, about the size of a black pepper flake...

Three discretes suffice interface PWM switching
Three discretes suffice to interface PWM to switching regulators
Mar 19, 2025 Circuits

It’s remarkable how many switching regulator chips use the same basic two-resistor network for output voltage programming...

Single-supply single-ended input pseudo class differential
Single-supply single-ended input to pseudo class A/B differential output amp
Mar 18, 2025 Articles

From the micromixer topology by Barrie Gilbert, this amplifier allows a single-ended input to be converted to a Class A/B current output from a single supply...

Internet formed 1960s How did it
The Internet formed in the 1960s - How did it start?
Mar 16, 2025 Articles

Initially imagined by Nikola Tesla in the early 1900s, the concept of a world wide web didn’t see creation until 60 years later. Take a trip alongside the history of the internet...

20V PWM DAC current source tracking
1 A, 20V PWM DAC current source with tracking preregulator
Mar 13, 2025 Circuits

This design idea reprises another “1 A, 20 V, PWM controlled current source”. Like the earlier circuit, this design integrates an LM3x7 adjustable regulator with a PWM DAC to make a programmable 20 V, 1 A current source...

STMicroelectronics releases innovative satellite navigation receiver
STMicroelectronics releases innovative satellite navigation receiver to democratize precise positioning for automotive and industrial applications
Mar 13, 2025 News

STMicroelectronics has introduced the Teseo VI family of global navigation satellite system receivers aimed at high-volume precise positioning use cases...

Simple setup tests bit-error rate
Simple setup tests bit-error rate
Mar 12, 2025 Circuits

Traditionally, the reception quality of a digital receiver is expressed in terms of BER. This figure is the proportion of received bit errors in a given period...